当前位置: 首页 > 图文教程 > 网络编程 > Javascript > 分享别人写的一个小型js框架

Javascript
表格 隔行换色升级版
JavaScript 变量基础知识
fileupload控件 文件类型客户端验证实现代码
extjs DataReader、JsonReader、XmlReader的构造方法
让Firefox支持event对象实现代码
CSS+Js遮罩效果的TAB及焦点图片切换(推荐)
javascript showModalDialog传值与FireFox的window.open 父子窗口传值示例
JQuery 图片延迟加载并等比缩放插件
Jquery作者John Resig自己封装的javascript 常用函数
js 鼠标拖动对象 可让任何div实现拖动效果
页面中js执行顺序
Javascript select下拉框操作常用方法
jQuery 常见学习网站与参考书
javascript currying返回函数的函数
prototype 中文参数乱码解决方案
为javascript添加String.Format方法
asp.net HttpHandler实现图片防盗链
Riot.js 快速的JavaScript单元测试框架
Javascript实现的CSS代码高亮显示
Js 实现表格隔行换色一例

Javascript 中的 分享别人写的一个小型js框架


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-09-12   浏览: 89 ::
收藏到网摘: n/a

主要是集成了常用的扩展,包括Dom与String、Array、StringBuffer、NameSpace等,当然还少不了Ajax。体积约8k。因为严格控制体积,所以功能有限。如果只要Ajax部分,就1k而已。
这个小框架已经应用到公司的项目,并开始逐步在前端展示页面上接替prototype.js。以后将围绕这个框架做一些应用。
复制代码 代码如下:

/*
* My JavaScript Framework
* Version : 1.0 beta
* Author : misshjn
* Email : [email protected]
*/
function NameSpace(){};
function StringBuffer(){this.data = []};
var Method = {
Version : "1.0 beta",
Element : function(){
this.version = Method.Version;
this.hide = function(){this.style.display="none"; return this};
this.show = function(){this.style.display=""; return this};
this.getStyle = function(s){
var value = this.style[s.camelize()];
if (!value){
if (this.currentStyle) {
value = this.currentStyle[s.camelize()];
}else if (document.defaultView && document.defaultView.getComputedStyle) {
var css = document.defaultView.getComputedStyle(this, null);
value = css ? css.getPropertyValue(s) : null;
}
}
return value;
};
this.setStyle = function(s){
var sList = s.split(";");
for (var i=0,j; j=sList[i]; i++){
var k = j.split(":");
this.style[k[0].trim().camelize()] = k[1].trim();
}
return this;
};
this.toggle = function(){this.getStyle("display")=="none"?this.setStyle("display:"):this.setStyle("display:none"); return this};
this.hasClassName = function(c){return this.className.hasSubString(c," ")?true:false;};
this.addClassName = function(c){if(!this.hasClassName(c)){this.className+=" "+c};return this};
this.removeClassName = function(c){if(this.hasClassName(c)){this.className = (" "+this.className+" ").replace(" "+c+" "," ").trim(); return this}};
this.getElementsByClassName = function(c){return this.getElementsByAttribute("className",c)};
this.getElementsByAttribute = function(n,v){ //name,value;
var elems = this.getElementsByTagName("*");
var elemList = [];
for (var i=0,j; j=elems[i]; i++){
var att = j[n] || j.getAttribute(n);
if (att==v){
elemList.push(j);
}
}
return elemList;
};
this.parentIndex = function(p){
if (this==p){return 0}
for (var i=0,n=this; n=n.parentNode; i++){
if(n==p){return i;}
if(n==document.documentElement) return -1;
}
}
this.nextElement = function(){
var n = this;
for (var i=0,n; n = n.nextSibling; i++){
if(n.nodeType==1) return $(n);
}
return null;
};
this.previousElement = function(){
var n = this;
for (var i=0,n; n = n.previousSibling; i++){
if(n.nodeType==1) return $(n);
}
return null;
};
this.moveAhead = function(){
if (this.previousElement()){
this.parentNode.insertBefore(this,this.previousElement());
}
return this;
};
this.moveBack = function(){
var n = this.nextElement();
if (n){
this.parentNode.removeChild(n);
this.parentNode.insertBefore(n,this);
}
return this;
};
},
Array : function(){
this.indexOf = function(){
for (i=0; i<this.length; i++){
if (this[i]==arguments[0])
return i;
}
return -1;
};
this.lastIndexOf = function(){
for (i=this.length-1; i>=0; i--){
if (this[i]==arguments[0])
return i;
}
return -1;
};
this.each = function(fn){
for (var i=0,len=this.length; i<len; i++){
fn(this[i]);
}
return this;
};
},
String : function(){
this.trim = function(){
var _re,_argument = arguments[0] || " ";
typeof(_argument)=="string"?(_argument == " "?_re = /(^\s*)|(\s*$)/g : _re = new RegExp("(^"+_argument+"*)|("+_argument+"*$)","g")) : _re = _argument;
return this.replace(_re,"");
};
this.ltrim = function(){
var _re, _argument = arguments[0] || " ";
typeof(_argument)=="string"?(_argument == " "?_re = /(^\s*)/g : _re = new RegExp("(^"+_argument+"*)","g")) : _re = _argument;
return this.replace(_re,"");
};
this.rtrim = function(){
var _re, _argument = arguments[0] || " ";
typeof(_argument)=="string"?(_argument == " "?_re = /(\s*$)/g : _re = new RegExp("("+_argument+"*$)","g")) : _re = _argument;
return this.replace(_re,"");
};
this.concat = function(){
var s = new StringBuffer();
s.append(this);
for (var i=0,j; j=arguments[i]; i++){
s.append(typeof j=="object" ? j.join("") : j);
}
return s.toString();
};
this.stripTags = function(){
return this.replace(/<\/?[^>]+>/gi, '');
};
this.cint = function(){
return this.replace(/\D/g,"")-0;
};
this.camelize = function(){
return this.replace(/(-\S)/g,function($1){return $1.toUpperCase().substring(1,2)})
};
this.hasSubString = function(s,f){
if(!f) f="";
var v = (f+this+f).indexOf(f+s+f);
return v==-1?false:v;
};
this.toXMLString = function(){
var arr = arguments[0].split("&");
var str = new StringBuffer();
for (var i=0,len=arr.length; i<len; i++){
var item = arr[i].split("=");
str.append("<"+item[0]+"><![CDATA["+item[1]+"]]></"+item[0]+">");
}
return str.toString();
};
this.URLEncode = function(){ return encodeURIComponent(this)};
this.URLDecode = function(){ return decodeURIComponent(this)};
},
StringBuffer : function(){
this.append = function(){this.data.push(arguments[0]);return this};
this.toString = function(){return this.data.join(arguments[0]||"")};
this.length = function(){return this.data.length};
},
NameSpace : function(){
this.copyChild = this.appendChild = function(ns){
for (var key in ns){
this[key] = ns[key];
}
return this;
};
}
};
Method.Array.apply(Array.prototype);
Method.String.apply(String.prototype);
Method.StringBuffer.apply(StringBuffer.prototype);
Method.NameSpace.apply(NameSpace.prototype);
function $(){
var elem = typeof(arguments[0])=="string"?document.getElementById(arguments[0]):arguments[0];
if (!elem){return null}
if (elem["version"]){return elem}
if ( arguments[1] == undefined || arguments[1]==true ){Method.Element.apply(elem);}
return elem;
};
$(document);
var Ajax={
xmlhttp:function (){
try{
return new ActiveXObject('Msxml2.XMLHTTP');
}catch(e){
try{
return new ActiveXObject('Microsoft.XMLHTTP');
}catch(e){
return new XMLHttpRequest();
}
}
}
};
Ajax.Request=function (){
if(arguments.length<2)return ;
var para = {asynchronous:true,method:"GET",parameters:""};
for (var key in arguments[1]){
para[key] = arguments[1][key];
}
var _x=Ajax.xmlhttp();
var _url=arguments[0];
if(para["parameters"].length>0) para["parameters"]+='&_=';
if(para["method"].toUpperCase()=="GET") _url+=(_url.match(/\?/)?'&':'?')+para["parameters"];
_x.open(para["method"].toUpperCase(),_url,para["asynchronous"]);
_x.onreadystatechange=function (){
if(_x.readyState==4){
if(_x.status==200)
para["onComplete"]?para["onComplete"](_x):"";
else{
para["onError"]?para["onError"](_x):"";
}
}
};
if(para["method"].toUpperCase()=="POST")_x.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
for (var ReqHeader in para["setRequestHeader"]){
_x.setRequestHeader(ReqHeader,para["setRequestHeader"][ReqHeader]);
}
_x.send(para["method"].toUpperCase()=="POST"?(para["postBody"]?para["postBody"]:para["parameters"]):null);
};
var Cookies = {
get : function(n){
var dc = "; "+document.cookie+"; ";
var coo = dc.indexOf("; "+n+"=");
if (coo!=-1){
var s = dc.substring(coo+n.length+3,dc.length);
return unescape(s.substring(0, s.indexOf("; ")));
}else{
return null;
}
},
set : function(name,value,expires){
var expDays = expires*24*60*60*1000;
var expDate = new Date();
expDate.setTime(expDate.getTime()+expDays);
var expString = expires ? "; expires="+expDate.toGMTString() : "";
var pathString = ";path=/";
document.cookie = name + "=" + escape(value) + expString + pathString;
},
del : function(n){
var exp = new Date();
exp.setTime(exp.getTime() - 1);
var cval=this.get(n);
if(cval!=null) document.cookie= n + "="+cval+";expires="+exp.toGMTString();
}
}

function $A(list){
var arr = [];
for (var i=0,len=list.length; i<len; i++){
arr[i] = list[i];
}
return arr;
}
function $D(str){return str.URLDecode();}
function $E(str){return str.URLEncode();}
function $V(id){return $(id).value}
function request(paras){
var url = location.href;
var paraString = "&"+url.substring(url.indexOf("?")+1,url.length)+"&";
if (paraString.indexOf("&"+paras+"=")==-1){return ""};
paraString = paraString.substring(paraString.indexOf("&"+paras+"=")+paras.length+2,paraString.length);
return paraString.substring(0,paraString.indexOf("&"));
}